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![Porcine-derived acellular dermal collagen matrix and enamel matrix derivative for the treatment of infrabony defect in the esthetic area](https://image.oaes.cc/280938db-2ee0-48a1-8d4b-fb4a904b5ee8/3937.fig.1.jpg)
Figure 1. Baseline situation. (A, C) Clinical examination revealed the presence of a recession of the interdental soft tissue situated at the distal line angle of tooth #12 and at the mesial angle of the canine. (B) The radiographic examination showed a bony defect between #12 and #13 with horizontal supracrestal bone loss and a deep infrabony defect at the mesial side of canine.